BACKGROUND
In acute ischemic stroke, magnetic resonance diffusion-weighted imaging (DWI) is increasingly used to select patients for inclusion or as a surrogate outcome marker in clinical trials, or in routine practice. Little is known of what factors might affect DWI lesion size measurement. We examined morphologic factors that might affect DWI lesion measurement.
METHODS
On DWI obtained less than 24 hours after stroke, we categorized lesions according to DWI appearance (solitary or… CONTINUE READING